Please review the market research spreadsheet and questionnaire (which are included in this posting) for the NSNs required and provide any sources that may be able to manufacture these items. The only approved sources for these NSNs currently are listed on the market research spreadsheet. Please also see the documents (included in this posting) regarding Certified Cost and Price information. All information may be submitted via email directly to the contact listed in this posting. This information must be provided by the response date of this sources sought.